solution
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1. If the battery problem is excluded, we will test the wireless keyboard on other devices. If there is still no response, proceed to the next step.
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2, pull out the usb interface and try another interface to eliminate the problem of the usb port.
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3, if the above can not be solved, right click this computer, click management.
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4. Click Device Manager.
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5. Find the keyboard in the list on the right, right-click the keyboard driver, and click Enable device. If the driver has a yellow exclamation mark, right-click the driver to update the driver or reinstall the driver after uninstallation.
1.1, the wireless keyboard does not respond may be because the wireless keyboard is used for too long, the keyboard power has been exhausted, need to replace the battery or charge;
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2.2, it may be because the wireless receiver of the wireless keyboard is in poor contact with the computer, and try to re-plug the Bluetooth receiver;
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3.3. Finally, you can restart the wireless keyboard to reconnect the computer.